<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); ?><?php
/**
 * Class for <input type="text" /> elements
 *
 * PHP version 5
 *
 * LICENSE:
 *
 * Copyright (c) 2006-2010, Alexey Borzov <avb@php.net>,
 *                          Bertrand Mansion <golgote@mamasam.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *    * The names of the authors may not be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @category   HTML
 * @package    HTML_QuickForm2
 * @author     Alexey Borzov <avb@php.net>
 * @author     Bertrand Mansion <golgote@mamasam.com>
 * @license    http://opensource.org/licenses/bsd-license.php New BSD License
 * @version    SVN: $Id: InputText.php 294057 2010-01-26 21:10:28Z avb $
 * @link       http://pear.php.net/package/HTML_QuickForm2
 */

/**
 * Base class for <input> elements
 */
require_once 'HTML/QuickForm2/Element/Input.php';

/**
 * Class for <input type="text" /> elements
 *
 * @category   HTML
 * @package    HTML_QuickForm2
 * @author     Alexey Borzov <avb@php.net>
 * @author     Bertrand Mansion <golgote@mamasam.com>
 * @version    Release: @package_version@
 */
class HTML_QuickForm2_Element_InputText extends HTML_QuickForm2_Element_Input
{
    protected $attributes = array('type' => 'text');
    protected $placeholder = null;

   /**
    * @return   HTML_QuickForm2_Element_InputText
    */
    function setPlaceHolder($placeholder){
        $this->placeholder = $placeholder;
        return $this;
    }

    public function render(HTML_QuickForm2_Renderer $renderer){
        if($this->placeholder){
            $this->placeholder = htmlspecialchars($this->placeholder, ENT_QUOTES);
            $this->setAttribute('placeholder', $this->placeholder);
            jQuickForm::js()->needJquery();
            jQuickForm::js()->addJsInline(
            '
            function jqf_placeholder_blur(el){
                placeholder = el.attr("placeholder");
                if(!el.val()){
                    el.val(placeholder);
                    el.addClass("jqf_placeholder");
                } else {
                    if(el.val()==placeholder){
                        el.addClass("jqf_placeholder");
                    } else {
                        el.removeClass("jqf_placeholder");
                    }
                }
            }
            function jqf_placeholder_focus(el){
                placeholder = el.attr("placeholder");
                el.removeClass("jqf_placeholder");
                if(el.val()==placeholder){
                    el.val("");
                }
            }
            ','jqf_placeholder'
            );
            jQuickForm::js()->addJsOnload('
            jQuery("input[placeholder]").each(function(){
                jqf_placeholder_blur(jQuery(this));
            });
            jQuery("input[placeholder]").live("focus", function(){
                jqf_placeholder_focus(jQuery(this));
            });
            jQuery("input[placeholder]").live("blur", function(){
                jqf_placeholder_blur(jQuery(this));
            });

            ');
            //навесим на элемент фильтр, который будет удалять плейсхолдер для незаполненных полей
            $this->addFilter(array('jQuickForm_Filter_Placeholder','applyFilter'), array($this));        }
        return parent::render($renderer);
    }

   /**
    * @return   HTML_QuickForm2_Element_InputText
    */
    public function setComment($comment)
    {
        return parent::setComment($comment);
    }

   /**
    * @return   HTML_QuickForm2_Element_InputText
    */
    public function setAttribute($name, $value = null){
        parent::setAttribute($name, $value);
        return $this;
    }

   /**
    * @return   HTML_QuickForm2_Element_InputText
    */
    public function addClass($class){
        return parent::addClass($class);
    }

   /**
    * @return   HTML_QuickForm2_Element_InputText
    */
    public function setId($id = null){
        return parent::setId($id);
    }

}
?>
